Set includes: – Redken Acidic Color Gloss Sulphate-Free Shampoo Glass-Like Shine for Colour Treated Hair 300ml: Level up your colour-care and activate glass-like shine up to 3-days (Consumer test using full system of Acidic Color Gloss) using the Acidic Color Gloss Shampoo. This revolutionary technology combines an advanced pH formula and Acidic Shine Complex, so your colour remains vibrant with a professional gloss after every use.To use: Apply Acidic Color Gloss Shampoo to wet hair, lather and rinse. The formula is sulphate-free to allow for gentle cleansing.- Redken Acidic Color Gloss Conditioner Glass-Like Shine for Colour Treated Hair 300ml: Level up your colour-care and activate glass-like shine up to 3-days (Consumer test using full-system of Acidic Color Gloss) using the Acidic Color Gloss Conditioner. The Acidic Color Gloss Conditioner is a moisture-boosting formula that works to give your hair colour vibrancy and a glossy finish with +76% glass-like shine(Consumer test using full-system of Acidic Color Gloss). Citric Acid works by rebalancing the hair back to its healthiest pH [pH 4.5-5.5], sealing in the cuticle, so your colour is locked in and protected from external aggressors that contribute to colour fade. The conditioneru0027s ultra-nourishing properties smooth each strand from root to tip, helping hair feel hydrated and nourished for up to 72 hours after a single use (based on consumer test – acidic color gloss system of shampoo u0026 conditioner).To use: Apply Acidic Color Gloss Conditioner on mid-lengths to ends to lock in moisture. Then rinse.